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Rev 2927 Rev 3211
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#endif
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#endif
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/** Maximum number of zones in system. */
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/** Maximum number of zones in system. */
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#define ZONES_MAX           16
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#define ZONES_MAX           16
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/** If possible, merge with neighbouring zones. */
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#define ZONE_JOIN           0x1
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/** Convert the frame address to kernel va. */
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/** Convert the frame address to kernel va. */
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#define FRAME_KA        0x1
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#define FRAME_KA        0x1
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/** Do not panic and do not sleep on failure. */
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/** Do not panic and do not sleep on failure. */
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#define FRAME_ATOMIC            0x2
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#define FRAME_ATOMIC        0x2
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/** Do not start reclaiming when no free memory. */
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/** Do not start reclaiming when no free memory. */
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#define FRAME_NO_RECLAIM        0x4
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#define FRAME_NO_RECLAIM    0x4
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/** Do not allocate above 4 GiB. */
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#define FRAME_LOW_4_GiB     0x8
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static inline uintptr_t PFN2ADDR(pfn_t frame)
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static inline uintptr_t PFN2ADDR(pfn_t frame)
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{
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{
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    return (uintptr_t) (frame << FRAME_WIDTH);
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    return (uintptr_t) (frame << FRAME_WIDTH);
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}
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}
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{
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{
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    return (size_t) (frames << FRAME_WIDTH);
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    return (size_t) (frames << FRAME_WIDTH);
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}
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}
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#define IS_BUDDY_ORDER_OK(index, order)     \
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#define IS_BUDDY_ORDER_OK(index, order)     \
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    ((~(((unative_t) -1) << (order)) & (index)) == 0)
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    ((~(((unative_t) -1) << (order)) & (index)) == 0)
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#define IS_BUDDY_LEFT_BLOCK(zone, frame)    \
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#define IS_BUDDY_LEFT_BLOCK(zone, frame)    \
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    (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
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    (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
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#define IS_BUDDY_RIGHT_BLOCK(zone, frame)   \
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#define IS_BUDDY_RIGHT_BLOCK(zone, frame)   \
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    (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
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    (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
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#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame)    \
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#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame)    \
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    (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
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    (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
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#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame)   \
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#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame)   \
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    (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
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    (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
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#define frame_alloc(order, flags)       \
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#define frame_alloc(order, flags)       \
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    frame_alloc_generic(order, flags, NULL)
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    frame_alloc_generic(order, flags, NULL)
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extern void frame_init(void);
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extern void frame_init(void);
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extern void *frame_alloc_generic(uint8_t order, int flags, unsigned int *pzone);
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extern void *frame_alloc_generic(uint8_t, int, unsigned int *);
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extern void frame_free(uintptr_t frame);
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extern void frame_free(uintptr_t);
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extern void frame_reference_add(pfn_t pfn);
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extern void frame_reference_add(pfn_t);
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extern int zone_create(pfn_t start, count_t count, pfn_t confframe, int flags);
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extern int zone_create(pfn_t, count_t, pfn_t, int);
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extern void *frame_get_parent(pfn_t frame, unsigned int hint);
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extern void *frame_get_parent(pfn_t, unsigned int);
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extern void frame_set_parent(pfn_t frame, void *data, unsigned int hint);
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extern void frame_set_parent(pfn_t, void *, unsigned int);
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extern void frame_mark_unavailable(pfn_t start, count_t count);
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extern void frame_mark_unavailable(pfn_t, count_t);
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extern uintptr_t zone_conf_size(count_t count);
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extern uintptr_t zone_conf_size(count_t);
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extern void zone_merge(unsigned int z1, unsigned int z2);
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extern void zone_merge(unsigned int, unsigned int);
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extern void zone_merge_all(void);
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extern void zone_merge_all(void);
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extern uint64_t zone_total_size(void);
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extern uint64_t zone_total_size(void);
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/*
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/*
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 * Console functions
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 * Console functions
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 */
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 */
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extern void zone_print_list(void);
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extern void zone_print_list(void);
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extern void zone_print_one(unsigned int znum);
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extern void zone_print_one(unsigned int);
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */